What was found
AFTER TAKE-OFF NR 1 ENGINE OIL PRESSURE LIGHT ILLUMINATED ACCOMPLISHED APPROPRIATE CHECKLISTS, AND RETURNED TO SJU. REMOVED AND CHECKED NR 1 ENGINE MAIN OIL FILTER, FOUND OK. RE-INSTALLED FILTER, FOUND TWO WIRES WERE CHAFING WITH COWLING SPLICE AND RE-ROUTED. ENGINE RUN PERFORMED, ALL CHECK NORMAL IAW MM 71-00 - 79-32-2 AND MM 20-50-1